Hafnium

Symbol: Hf
Atomic Mass/Weight: 178.49 AMU
Atomic Number: 72
Oxidation State: +4
Melting Point: 2500 K
Boiling Point: 4876 K
# of Isotopes: 6
Electron Configuration: [Xe] 4f1 5d2 6s2
Lewis Dot Diagram:
Hafnium - Lewis Dot Diagram